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*MOD-009
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IF g_invalid IS INITIAL.
LOOP AT i_e1cuv1m INTO wa_e1cuv1m.

We need to validate value only if following fields are blank
IF wa_cabn-atson IS INITIAL " Indicator: Additional Values
AND wa_cabn-atprt IS INITIAL " Check table
AND wa_cabn-atprr IS INITIAL " Name of Check Report Program
AND wa_cabn-atprf IS INITIAL " Function Module for Checking
AND wa_cabn-check IS INITIAL. " No value found in CAWN table